Two DNA swab collection kits, Essex, England, 2006
Tetra Scene of Crime Limited produced these DNA collection kits. They were issued by transport company First Glasgow to their bus drivers. It was an attempt to tackle staff assaults. In 2004, vandalism accounted for 8,000 broken windows among First Glasgow’s 1000-strong fleet. This averages 23 broken windows per night. Physical assaults and threatening behaviour saw First Glasgow team up with Strathclyde police to curb growing crime through DNA analysis. The kits contain Latex gloves, a tamper evident storage bag and two sterile collection swabs. The saliva swabs could only be used if the sample was taken from the skin of the victim. If the saliva landed on clothing, the article was given to Strathclyde police for analysis.
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DNA stores the information, or blueprints, of every cell and is located in the genes. It is made up of two strands which form a double helix that is linked by hydrogen bonds. It was first described in 1953 by Francis Crick and James Watson.
Glossary: DNA collection kit